In the process, the air in the variable ballast tanks of the model cage was discharged through the air hoses connected to the 3- way valves, and the air flow rate was adjusted through the 2-way valves
In the process, the air in the variable ballast tanks of the model cage was discharged through the air hoses connected to the 3- way valves, and the air flow rate was adjusted through the 2-way valves